Home / 1,512,724.89-2,087,560.68-824,396.91

Finding the Fourth Proportional to 1,512,724.89, 2,087,560.68 and 824,396.91

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Solution

The fourth proportional to 1,512,724.89, 2,087,560.68 and 824,396.91 is: 1,137,667.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,724.89 : 2,087,560.68 = 824,396.91 : x
  2. Step 2: Convert to fraction form
    1,512,724.89/2,087,560.68 = 824,396.91/x
  3. Step 3: Cross multiply
    1,512,724.89x = 2,087,560.68 × 824,396.91
  4. Step 4: Simplify right side
    1,512,724.89x = 1,720,978,574,029.50
  5. Step 5: Solve for x
    x = 1,720,978,574,029.50/1,512,724.89
  6. Step 6: Final answer
    x = 1,137,667.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.